:root {
  --bg: #0f172a;
  --card: #1e293b;
  --fg: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --danger: #f87171;
  --done: #475569;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

.app { max-width: 560px; margin: 0 auto; padding: 1.5rem 1rem; }

.topbar { display: flex; align-items: center; justify-content: space-between; }
.topbar h1 { font-size: 1.6rem; margin: 0; }
.lang { font-size: 0.85rem; color: var(--muted); display: flex; gap: 0.4rem; align-items: center; }

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 1.25rem;
  margin-top: 1rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.row { display: flex; gap: 0.5rem; align-items: center; }
.row + .row { margin-top: 0.75rem; }

input, select, button {
  font: inherit;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0b1220;
  color: var(--fg);
}
input { flex: 1; }
input:focus, select:focus { outline: 2px solid var(--accent); }

button {
  cursor: pointer;
  background: var(--accent);
  color: #04293b;
  border: none;
  font-weight: 600;
}
button:hover { filter: brightness(1.08); }

.link { background: none; color: var(--accent); font-weight: 500; padding: 0.3rem 0.4rem; }
.link.danger { color: var(--danger); }

form { display: flex; gap: 0.5rem; flex-wrap: wrap; }
#login-form { flex-direction: column; }
#login-form input { width: 100%; }

.hint { color: var(--muted); font-size: 0.85rem; }
.error { color: var(--danger); font-size: 0.9rem; }

/* RTL polish for Arabic */
[dir="rtl"] .topbar { flex-direction: row-reverse; }